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Dr. Ashwin S. Madhan, MD

Orthopedic Surgery (Orthopaedic Surgery Physician)

251 E Huron St
Chicago, IL 60611

Who else practices at this address →

Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (312) 503-7975

At a glance

In the NPI registry since
2018

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2018Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Orthopaedic Surgery Physician primary
    IL license 125079293
  • Student in an Organized Health Care Education/Training Program

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Orthopedic Surgery per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Ondansetron Odt (ondansetron)
Other prescribers in Chicago, IL
15
Hydromorphone Hcl
Other prescribers in Chicago, IL
11

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 4 companies reported 28 payments worth $2,837 in total to this clinician.

By company
Zimmer Biomet Holdings, Inc.$1,774
Stryker Corporation$741
DePuy Synthes Sales Inc.$200
Lightbody Medical Technologies Inc$122
By type
Food and Beverage$2,202
Travel and Lodging$635

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Nov 6, 2025Zimmer Biomet Holdings, Inc.
Nov 6, 2025
Travel and Lodging
Comprehensive Shoulder System · Extremities · travel to Orlando, FL · in-kind
$485
Nov 5, 2025Zimmer Biomet Holdings, Inc.
Nov 5, 2025
Travel and Lodging
Comprehensive Shoulder System · Extremities · travel to Orlando, FL · in-kind
$89.75
Nov 6, 2025Zimmer Biomet Holdings, Inc.
Nov 6, 2025
Travel and Lodging
Comprehensive Shoulder System · Extremities · travel to Orlando, FL · in-kind
$35.00
Nov 5, 2025Zimmer Biomet Holdings, Inc.
Nov 5, 2025
Travel and Lodging
Comprehensive Shoulder System · Extremities · travel to Orlando, FL · in-kind
$25.00

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Illinois →

Other Orthopedic Surgery clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 4, 2022), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1164905352. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.